Time zone converter
GST to IRST
Convert Gulf Time — Dubai to Iran Time — Tehran — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Dubai, it's 8:30 AM in Tehran. Tehran is 0½ hours behind Dubai. Use the converter above to turn any GST time into IRST, or scan the hour-by-hour table below for the full day.
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Gulf Time — Dubai ·
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Iran Time — Tehran ·
Convert a specific timein Dubai → — in Tehran
GST to IRST at a glance
9:00 AM GST
8:30 AM
IRST · Tehran
12:00 PM GST
11:30 AM
IRST · Tehran
5:00 PM GST
4:30 PM
IRST · Tehran
Planning a meeting between Dubai and Tehran
Planning a call between Dubai and Tehran? The best overlap during a standard 9-to-5 workday runs 9:30 AM–5:00 PM GST (9:00 AM–4:30 PM IRST). Aim for that window to reach both sides during business hours.
Hour-by-hour: Dubai to Tehran
A full day mapped from GST to IRST.
Frequently asked
Is Tehran ahead of or behind Dubai?
Tehran is 0½ hours behind Dubai.
What is 12:00 PM GST in IRST?
12:00 PM in Dubai is 11:30 AM in Tehran.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so GST and IRST automatically reflect the correct daylight-saving offset for the current date.